EN25QY256A-104FIP(2U)

The EN25QY256A-104FIP(2U) is a 256 Mbit serial SPI NOR Flash memory device built on a Serial Peripheral Interface (SPI) architecture. It provides single, dual and quad I/O read/program modes with configurable dummy cycles and a 104 MHz fast read clock option for high-throughput serial access.

Designed for industrial-grade applications, the device combines uniform 4 KByte sector architecture, hardware and software write protection, long data retention and high endurance to support firmware and data storage, field updates and protected code storage in embedded systems.

Key Features

• Memory Architecture 256 M-bit capacity organized as 32M × 8 with 131,072 programmable pages and 256 bytes per page.
• Serial SPI Interface SPI-compatible serial interface supporting Standard, Dual and Quad SPI (CLK, CS#, DI/DO/DQ₀–DQ₃) and SPI modes 0 and 3.
• High-Speed Read Fast Read operation up to 104 MHz for Single/Dual/Quad I/O modes with configurable dummy cycles to tune latency versus throughput.
• Program & Erase Performance Typical page program time 0.5 ms; typical sector erase time 40 ms, half-block 200 ms and block erase 300 ms. Chip erase typical 120 seconds.
• Sector/Block Organization Uniform sector architecture with 8,192 sectors of 4 KByte, 1,024 blocks of 32 KByte and 512 blocks of 64 KByte — any sector or block can be erased individually.
• Write Protection Supports software write protection and hardware protection via WP# pin; write protection can be enabled/disabled and portions of memory locked.
• Reliability & Retention Minimum 100K program/erase cycles per sector and more than 20-year data retention.
• Power Low power operation with typical active current around 7 mA and typical power-down current near 1 μA.
• Package & Temperature Available in a 16-pin SOP 300 mil package and specified for industrial temperature operation from -40 °C to 85 °C.
• Additional Features Read Unique ID, lockable 3 × 512-byte OTP security sector, support for Serial Flash Discoverable Parameters (SFDP), and 3-byte/4-byte address mode switching.

Typical Applications

• Embedded Firmware Storage Store system firmware and boot code with sector-level protection and field-programmable page programming for updates and patches.
• Industrial Control Systems Use in controllers and instrumentation where industrial temperature operation and long data retention are required.
• Communications & Networking Store configuration, firmware images and device identifiers with fast read performance and low standby power.
• Secure Data Storage Leverage the lockable OTP sector and hardware/software protection for secure keys and small non-volatile data regions.

Unique Advantages

• Flexible SPI Modes: Single, Dual and Quad I/O support simplifies scaling throughput without changing the memory family.
• Fast Read Clock: 104 MHz Fast Read capability reduces image load and boot times in throughput-sensitive applications.
• Fine-Grained Erase Control: 4 KByte uniform sectors and multiple block sizes allow targeted updates and reduced erase overhead.
• Robust Protection Options: Combined hardware (WP#) and software protection enables selective locking of critical code and data.
• Industrial Reliability: Specified -40 °C to 85 °C operation, high endurance (≥100K cycles) and >20 years retention for long-life deployments.
• Low Power Standby: Typical sub-microamp power-down current supports energy-conscious systems and battery-backed designs.

Why Choose EN25QY256A-104FIP(2U)?

The EN25QY256A-104FIP(2U) is positioned for industrial embedded designs that require a balance of high-speed serial read performance, sector-level flexibility and robust protection mechanisms. With a 256 Mbit capacity, multi-I/O SPI support, and industrial temperature range, it fits firmware storage, field updates and protected data regions in a compact 16-pin SOP package.

Its combination of configurable read modes, low-power operation and proven endurance provides long-term value for system designers seeking reliable, update-friendly non-volatile memory in demanding environments.

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